Finding the Fourth Proportional to 574,865.12, 793,314.62 and 313,219.19
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Solution
The fourth proportional to 574,865.12, 793,314.62 and 313,219.19 is: 432,242.90
Step by Step Solution
- Step 1: Write the proportion equation
574,865.12 : 793,314.62 = 313,219.19 : x - Step 2: Convert to fraction form
574,865.12/793,314.62 = 313,219.19/x - Step 3: Cross multiply
574,865.12x = 793,314.62 × 313,219.19 - Step 4: Simplify right side
574,865.12x = 248,481,365,457.89 - Step 5: Solve for x
x = 248,481,365,457.89/574,865.12 - Step 6: Final answer
x = 432,242.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.